One of the most important technologies of behavior modifiers and applied behavior analysts over the last 40 years has been the token economy. These procedures are useful in that they help provide a structured therapeutic environment, and mimic other naturally occurring reinforcement systems such as the use of money. Token economies, at least from…

Preschool children (n=32) were evaluated in an unstructured play session, matched for levels of appropriate or inappropriate social behavior, and assigned to a treatment or control condition. The treatment group conditions involved positive reinforcement, modeling, rehearsal, feedback, and time out. Although prosocial behaviors were successfully…